Fredrik Paulin

@fredrikpaulin

Things built as needed - then open sourced

Joined February 2026

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fredrikpaulin.hashnode.dev

Building EMU64: A Headless Commodore 64 Emulator for Modern Testing

When you're developing an assembler for vintage hardware, you need a way to test your output. Running generated binaries on original hardware isn't practical for automated testing, and full-featured emulators like VICE are overkill when all you need ...

Feb 47 min read

fredrikpaulin.hashnode.dev

Building ASM64: A Modern 6502 Cross-Assembler in C

Introduction The Commodore 64 refuses to die. Four decades after its release, a passionate community continues to push the hardware to its limits, and 2026 marks an exciting milestone: the Commodore 64 Ultimate is finally shipping. This modern reimag...

Feb 211 min read

Fredrik Paulin

About

Available for

Fredrik Paulin's blogs

Recently published

Building EMU64: A Headless Commodore 64 Emulator for Modern Testing

Building ASM64: A Modern 6502 Cross-Assembler in C

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Fredrik Paulin

About

Available for

Fredrik Paulin's blogs

Recently published

Building EMU64: A Headless Commodore 64 Emulator for Modern Testing

Building ASM64: A Modern 6502 Cross-Assembler in C